Pet Symptom Checker

Tylenol poisoning

Medical name: Acetaminophen toxicity

Emergency Warnings



  • Belly pain
  • Bloody urine
  • Blue mucous or skin
  • Brown urine
  • Dark mucous
  • Lack of energy
  • Rapid breathing
  • Swelling from fluid
  • Unsteady walking


If you suspect your pet has consumed Tylenol or acetaminophen in excess amounts, you should consider this an emergency and not delay in seeking veterinary help. Cats are more severely affected than dogs by this condition, which can be characterized by rapid breathing, as well as bloody or brown urine. You may also notice that your pet has blue or darkened mucous, and is showing signs of experiencing pain in his stomach. The ASPCA Poison Control Center's toll-free hotline can be reached 24 hours a day, 7 days a week at (888) 426-4435.

Zootoo does not provide veterinary medical advice, diagnosis, or treatment. Always seek the advice of a veterinarian with any questions you may have regarding your pet’s medical condition.
If you think your pet may be experiencing a medical emergency, call your veterinarian or an emergency animal care facility immediately.

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